polish academy of science
polish academy of science
波兰科学院
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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"Because the ice is melting, the bears have to use much more energy to hunt their prey, " explained Cino Pertoldi, professor of biology from Aarhus University and the Polish Academy of Science, and lead scientist in this study.
BBC: 'Stress' is shrinking polar bears